15691816220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{146297}}^1$

素因数の和:146510

約数の個数: 48

約数和(自身を含む): 34212665088

約数和(自身を除く): 18520848868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 310, 346, 620, 692, 865, 1730, 3460, 5363, 10726, 21452, 26815, 53630, 107260, 146297, 292594, 585188, 731485, 1462970, 2925940, 4535207, 9070414, 18140828, 22676035, 25309381, 45352070, 50618762, 90704140, 101237524, 126546905, 253093810, 506187620, 784590811, 1569181622, 3138363244, 3922954055, 7845908110, 15691816220]

約数ペア:

[(1, 15691816220), (2, 7845908110), (4, 3922954055), (5, 3138363244), (10, 1569181622), (20, 784590811), (31, 506187620), (62, 253093810), (124, 126546905), (155, 101237524), (173, 90704140), (310, 50618762), (346, 45352070), (620, 25309381), (692, 22676035), (865, 18140828), (1730, 9070414), (3460, 4535207), (5363, 2925940), (10726, 1462970), (21452, 731485), (26815, 585188), (53630, 292594), (107260, 146297)]